Best dimensions for birdhouse

When you’re constructing a new birdbox or buying one, the overall dimensions are critical in determining which species of bird will be attracted to your new birdhouse. Also critical is the hole size.

Use these dimensions to increase your chance of attracting our feathered friends. The box dimensions don’t have to be exact to the fraction of an inch, and you can vary the height placement somewhat, but you should use the correct hole size. While you can paint or stain the exterior of the house it’s best not to use any finish on the inside.

Here is a handy guide to follow for cavity-nesting birds. Look for the bird species you want in your garden and then choose the appropriate birdhouse.

Birdhouse dimensions chart

Birdhouse Dimensions chart
Best dimensions for birdhouse

Using the right dimensions for your birdhouse is a good start to attracting certain species, but you will also want to do a little research as far as placement. Purple martins and bluebirds prefer birdhouses that are in open areas. Most other birds prefer slightly more concealed areas that help camouflage the birdhouse. The parents like branches nearby so they can keep an eye on their family.

Not all birds will follow this chart, so don’t be surprised if another bird decides to nest in a box you intended for someone else!

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